71628800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 177723000

約数和(自身を除く): 106094200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1399, 1600, 2048, 2560, 2798, 3200, 5120, 5596, 6400, 6995, 10240, 11192, 12800, 13990, 22384, 25600, 27980, 34975, 44768, 51200, 55960, 69950, 89536, 111920, 139900, 179072, 223840, 279800, 358144, 447680, 559600, 716288, 895360, 1119200, 1432576, 1790720, 2238400, 2865152, 3581440, 4476800, 7162880, 8953600, 14325760, 17907200, 35814400, 71628800]

約数ペア:

[(1, 71628800), (2, 35814400), (4, 17907200), (5, 14325760), (8, 8953600), (10, 7162880), (16, 4476800), (20, 3581440), (25, 2865152), (32, 2238400), (40, 1790720), (50, 1432576), (64, 1119200), (80, 895360), (100, 716288), (128, 559600), (160, 447680), (200, 358144), (256, 279800), (320, 223840), (400, 179072), (512, 139900), (640, 111920), (800, 89536), (1024, 69950), (1280, 55960), (1399, 51200), (1600, 44768), (2048, 34975), (2560, 27980), (2798, 25600), (3200, 22384), (5120, 13990), (5596, 12800), (6400, 11192), (6995, 10240)]